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Related Experiment Videos

[Construction of recombinant plasmid using Neo/E Technology].

Shan-Hu Li1, Jian Wang, Jie-Zhi Li

  • 1Institute of Biotechnology, Academy of Military Medical Sciences, Beijing 100850, China.

Sheng Wu Gong Cheng Xue Bao = Chinese Journal of Biotechnology
|September 24, 2005
PubMed
Summary

A novel Red recombination technique enables efficient construction of recombinant plasmids. This neo/E counterselection method improves the yield of desired plasmids, simplifying molecular cloning workflows.

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Area of Science:

  • Molecular Biology
  • Genetic Engineering

Background:

  • Plasmid construction is fundamental in molecular biology.
  • Efficient methods for generating recombinant plasmids are crucial for research and biotechnology.

Purpose of the Study:

  • To develop and validate a new neo/E counterselection technique for constructing recombinant plasmids.
  • To enhance the efficiency and accuracy of plasmid engineering.

Main Methods:

  • Utilized Red recombination for in vivo homology recombination.
  • Employed linear targeting cassettes with a neo/E counterselection marker.
  • Incorporated a unique endonuclease recognition site for selection.
  • Performed two rounds of homology recombination to introduce the target gene.

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Main Results:

  • Successfully constructed a recombinant plasmid (pGL3-Basic PC1900T).
  • Achieved up to 20% correct recombinant yields after endonuclease treatment and transformation.
  • Demonstrated the efficacy of the neo/E counterselection strategy.

Conclusions:

  • The developed neo/E counterselection technique provides a highly efficient method for recombinant plasmid construction.
  • This approach simplifies the selection process, increasing the yield of desired clones.
  • Offers a valuable new tool for molecular cloning and genetic engineering applications.